Home / 37,921,967.90-52,331,943.13-20,517,931.25

Finding the Fourth Proportional to 37,921,967.90, 52,331,943.13 and 20,517,931.25

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Solution

The fourth proportional to 37,921,967.90, 52,331,943.13 and 20,517,931.25 is: 28,314,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921,967.90 : 52,331,943.13 = 20,517,931.25 : x
  2. Step 2: Convert to fraction form
    37,921,967.90/52,331,943.13 = 20,517,931.25/x
  3. Step 3: Cross multiply
    37,921,967.90x = 52,331,943.13 × 20,517,931.25
  4. Step 4: Simplify right side
    37,921,967.90x = 1,073,743,211,007,295.25
  5. Step 5: Solve for x
    x = 1,073,743,211,007,295.25/37,921,967.90
  6. Step 6: Final answer
    x = 28,314,543.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.